Patent
Dryness detection method for clothes dryer based on charge rate of a capacitor (US Patent 8707580)
STMicroelectronics, Inc. · Granted Apr 29, 2014 · Filed Oct 21, 2009
Patent number: 8707580 Cited as: US 8,707,580 B2; US8707580B2; US8707580 Kind code: B2 Granted: 2014-04-29 Filed: 2009-10-21 Inventors: Thomas L. Hopkins (Mundelein, IL, US) Assignees: STMicroelectronics, Inc. (Coppell, TX, US)
Abstract
A dryer having an improved automatic dryness detection circuit is provided. Wet clothing in the dryer bin contacts a sensor and causes a pulse to be sent to a microcontroller if the resistance of the clothes is low enough. The microcontroller disregards
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